fixes #28236, generic methods should not cause warnings in Dart 1

tests/isolate/isolate.status

Index: tests/isolate/isolate.status
diff --git a/tests/isolate/isolate.status b/tests/isolate/isolate.status
index 7a921a0ac3a6d1b0fd916abf0373197fb567df3d..22a15a1c84de0c07cbbd11656a29027ad31f21df 100644
--- a/tests/isolate/isolate.status
+++ b/tests/isolate/isolate.status
@@ -160,37 +160,6 @@ browser/package_*: Skip # Issue 25594 (missing implementation in Dartium).
 browser/typed_data_message_test: StaticWarning
 mint_maker_test: StaticWarning
 
-# Issue #28236
-browser/compute_this_script_browser_test: StaticWarning
-browser/package_resolve_browser_hook2_test: StaticWarning
-browser/package_resolve_browser_hook_test: StaticWarning
-browser/package_resolve_browser_test: StaticWarning
-count_test: StaticWarning
-cross_isolate_message_test: StaticWarning
-deferred_in_isolate2_test: StaticWarning
-illegal_msg_function_test: StaticWarning
-illegal_msg_mirror_test: StaticWarning
-isolate_complex_messages_test: StaticWarning
-mandel_isolate_test: StaticWarning
-message2_test: StaticWarning
-message_test: StaticWarning
-nested_spawn2_test: StaticWarning
-nested_spawn_test: StaticWarning
-raw_port_test: StaticWarning
-request_reply_test: StaticWarning
-spawn_function_custom_class_test: StaticWarning
-spawn_function_test: StaticWarning
-spawn_uri_multi_test/01: StaticWarning
-spawn_uri_multi_test/none: StaticWarning
-spawn_uri_nested_vm_test: StaticWarning
-spawn_uri_test: StaticWarning
-spawn_uri_vm_test: StaticWarning
-stacktrace_message_test: StaticWarning
-static_function_test: StaticWarning
-timer_isolate_test: StaticWarning
-unresolved_ports_test: StaticWarning
-
-
 [ $compiler == none && $runtime == vm ]
 scenarios/short_package/short_package_test: Fail, OK  # We do not plan to support the tested behavior anyway.